Battery technology is changing with each passing day, and the driving distance of electric vehicles is improving day by day! South Korean scientists released the latest electric cars, each charge can travel 300 kilometers away, the endurance is two times the average electric vehicle, storage power is 4 times as much.
The lithium battery is the traditional metal oxide with graphite and lithium (Lithium Metal Oxide) as anode and cathode, because these two kinds of material storage capacity is low, the current development of science and technology, storage capacity has been close to the limit, so the electric vehicle battery storage capacity, the increase of the space is not much.
As a result, the Korean research team decided to use new materials to make batteries, the cathode and the cathode, using silicon and sulfur. Scientists have added selenium specifically to protect silicon cathodes, and then develop cathodes with lithium and silicon, and make anodes with sulfur and selenium.
The latest lithium batteries can store about 500 mAh per gram of power, compared with commercially available batteries per gram could only 100-150 mAh power storage. This represents the electric car can run 300 kilometers per charge, is twice as long as the general electric car.
Not only that, the new lithium battery after charging and discharging 1500 times, the battery capacity will shrink by only 19%. In other words, if users charge once a day, can be stable for 4 years, without changing the battery; if the new lithium-ion battery is applied to smart phones, then the weight of the phone can be reduced by half.
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